Home / 57,083,143.14-78,774,943.77-30,977,653.14

Finding the Fourth Proportional to 57,083,143.14, 78,774,943.77 and 30,977,653.14

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Solution

The fourth proportional to 57,083,143.14, 78,774,943.77 and 30,977,653.14 is: 42,749,273.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,083,143.14 : 78,774,943.77 = 30,977,653.14 : x
  2. Step 2: Convert to fraction form
    57,083,143.14/78,774,943.77 = 30,977,653.14/x
  3. Step 3: Cross multiply
    57,083,143.14x = 78,774,943.77 × 30,977,653.14
  4. Step 4: Simplify right side
    57,083,143.14x = 2,440,262,884,230,064
  5. Step 5: Solve for x
    x = 2,440,262,884,230,064/57,083,143.14
  6. Step 6: Final answer
    x = 42,749,273.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.